![[American Society of Civil Engineers Fourth National Congress on Civil Engineering History and Heritage - Washington, D.C., United States (November 2-6, 2002)] American Civil Engineering History - Benjamin Wright, Bad Stone, Poor Cement and One Hundred Miles to Go: Building the Monocacy Aqueduct of the Chesapeake and Ohio Canal]()
[American Society of Civil Engineers Fourth National Congress on Civil Engineering History and Heritage - Washington, D.C., United States (November 2-6, 2002)] American Civil Engineering History - Benjamin Wright, Bad Stone, Poor Cement and One Hundred Miles to Go: Building the Monocacy Aqueduct of the Chesapeake and Ohio CanalKapsch, Robert J. · 2002